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Clarias Gariepinus AQUATIC RESEARCH E-ISSN 2618-6365 Chief Editor: Prof.Dr. Nuray ERKAN, Turkey Prof.Dr. Tamuka NHIWATIWA, Zimbabwe [email protected] [email protected] Subjects: Processing Technology, Food Sciences and Engineering Subjects: Fisheries Institution: Istanbul University, Faculty of Aquatic Sciences Institution: University of Zimbabwe, Department of Biological Sciences Cover Photo: Prof.Dr. Özkan ÖZDEN, Turkey [email protected] Ferhan Çoşkun, Turkey Subjects: Fisheries, Food Sciences and Engineering Phone: +90 532 763 2230 Institution: Istanbul University, Faculty of Aquatic Sciences [email protected] İnstagram: instagram.com/exultsoul Prof.Dr. Murat YİĞİT, Turkey [email protected] Subjects: Fisheries Institution: Canakkale Onsekiz Mart University, Faculty of Marine Editorial Board: Science and Technology Prof.Dr. Miguel Vazquez ARCHDALE, Japan Assoc.Prof.Dr. Makiko ENOKI, Japan [email protected] [email protected] Subjects: Fisheries Subjects: Environmental Sciences and Engineering Institution: Kagoshima University, Faculty of Fisheries, Fisheries Institution: Tokyo University of Marine Science and Technology Resource Sciences Department Faculty of Marine Science, Department of Marine Resource and Energy Prof.Dr. Mazlan Abd. GHAFFAR, Malaysia [email protected] Assoc.Prof.Dr. Athanasios EXADACTYLOS, Greece Subjects: Fisheries [email protected] Institution: University of Malaysia Terengganu, Institute of Subjects: Fisheries Oceanography and Environmental Institution: University of Thessaly (UTh), Department of Ichthyology and Aquatic Environment (DIAE) Prof.Dr. Adrian GROZEA, Romania [email protected] Assoc.Prof. Matthew TAN, Australia Subjects: Fisheries [email protected] Institution: Banat's University of Agricultural Sciences and Subjects: Fisheries Veterinary Medicine, Faculty of Animal Science and Biotechnologies Institution: James Cook University, Centre for Sustainable Tropical Fisheries and Aquaculture (CSTFA) - College of Science & Engineering Prof.Dr. Saleem MUSTAFA, Malaysia [email protected] Dr. Ibrahim Mohamed Ibrahim ABOYADAK, Egypt Subjects: Fisheries, Environmental Sciences and Engineering [email protected] Institution: University of Malaysia Sabah Institution: NIOF, Anfoshy, Alexandria Publisher Nuray Erkan Özden Copyright © 2021 ScientificWebJournals Web Portal Adress: Abdi Bey Sok. KentPlus Sitesi No:24B D. 435 Kadıköy/İstanbul, Türkiye E-mail: [email protected] for submission instructions, subscription and all other information visit http://aquatres.scientificwebjournals.com I AQUATIC RESEARCH E-ISSN 2618-6365 Aims and Scope The editorial and publication processes of the journal are AQUATIC RESEARCH shaped in accordance with the guidelines of the International Abbreviation: Aquat Res Committee of Medical Journal Editors (ICMJE), World Asso- ciation of Medical Editors (WAME), Council of Science Edi- e-ISSN: 2618-6365 tors (CSE), Committee on Publication Ethics (COPE), Euro- Journal published in one volume of four issues per year by pean Association of Science Editors (EASE), and National In- http://aquatres.scientificwebjournals.com web page formation Standards Organization (NISO). The journal is in conformity with the Principles of “Aquatic Research” journal aims to contribute to the literature Transparency and Best Practice in Scholarly Publishing by publishing manuscripts at the highest scientific level on all (doaj.org/bestpractice). fields of marine and aquatic sciences. The journal publishes ori- ginal research and review articles that are prepared in accordance “Aquatic Research” journal is indexed in FAO/AGRIS, SciLit with the ethical guidelines. The publication language of the jour- and Bielefeld Academic Search Engine (BASE). nal is English or Turkish and continues publication since 2018. Processing and publication are free of charge with the journal. Aquatic Biology, Aquatic Ecology, Aquatic Environment and No fees are requested from the authors at any point throughout Pollutants, Aquaculture, Conservation and Management of the evaluation and publication process. All manuscripts must be Aquatic Source, Economics and Managements of Fisheries, Fish submitted via the online submission system, which is available Diseases and Health, Fisheries Resources and Management, Ge- at netics of Aquatic Organisms, Limnology, Maritime Sciences, http://dergipark.gov.tr/journal/2277/submission/start Marine Accidents, Marine Navigation and Safety, Marine and Coastal Ecology, Oseanography, Seafood Processing and Qual- The journal guidelines, technical information, and the required ity Control, Seafood Safety Systems, Sustainability in Marine forms are available on the journal’s web page. and Freshwater Systems The target audience of the journal in- Statements or opinions expressed in the manuscripts published cludes specialists and professionals working and interested in all in the journal reflect the views of the author(s) and not the opin- disciplines of marine and aquatic sciences. ions of the publisher, ScientificWebJournals Web Portal, edi- Manuscripts submitted to “Aquatic Research” journal will go tors, editorial board, and/or publisher; the editors, editorial through a double-blind peer-review process. Each submission board, and publisher disclaim any responsibility or liability for will be reviewed by at least two external, independent peer re- such materials. viewers who are experts in their fields in order to ensure an un- All published content is available online, free of charge at biased evaluation process. The editorial board will invite an ex- http://aquatres.scientificwebjournals.com. ternal and independent editor to manage the evaluation processes of manuscripts submitted by editors or by the editorial board members of the journal. Our journal will be published quarterly in English or Turkish language. The target audience of the journal includes specialists and professionals working and interested in all disciplines of marine and aquatic Sciences. Editor in Chief: Prof. Nuray ERKAN Address: Istanbul University, Faculty of Aquatic Sciences, Department of Seafood Processing Technology, Ordu Cad. No: 8, 34134 Fatih/Istanbul, Türkiye E-mail: [email protected] II AQUATIC RESEARCH E-ISSN 2618-6365 Vol. 4 Issue 1 Page 1-115 (2021) Content/İçerik RESEARCH ARTICLES Stochastic frontier analysis of catfish (Clarias gariepinus) aquaculture agribusiness for sustainable fisheries development: Evidence from Nigeria / 1-9 Eguono Aramide IKPOZA, Felix Odemero ACHOJA, Oraye Dicta OGISI, Christy ULIONG İstanbul Boğazı’ndaki ticari gemi kazalarının karar ağacı yöntemiyle analizi / 10-20 Erkan ÇAKIR, Bünyamin KAMAL Community structure of mayflies (Insecta: Ephemeroptera) in tropical streams of Western Ghats of Southern India / 21-37 Sivaruban BARATHY, Thambiratnam SİVARUBAN, Muthukumarasamy ARUNACHALAM, Pandiarajan SRİNİVASAN The fishes of the Bolaman Stream, Northern Turkey / 38-54 Serkan SAYGUN COMMUNICATION A review on maximum length of the greater weever Trachinus draco Linnaeus 1758 (Perciformes: Trachinidae) with a new maximum length from Oran Bay (Western Algeria) / 55-64 Lotfi BENSAHLA-TALET, Hichem ADDA NEGGAZ Diagnosis of Aeromonas sobria and Saprolegnia sp. co-infection in rainbow trout fry (Oncorhynchus mykiss) / 65-72 Remziye Eda YARDIMCI, Emre TURGAY REVIEW ARTICLES Gıda güvenliği açısından su ürünlerinde mikroplastik riski ve araştırma yöntemleri / 73-87 İdil� CAN TUNÇELLİ, Nuray ERKAN Chhecklist of marine diatoms from the Turkish coastal waters with updated nomenclature / 88-115 Aydın KALELİ, Reyhan AKÇAALAN III AQUATIC RESEARCH E-ISSN 2618-6365 Aquat Res 4(1), 1-9 (2021) • https://doi.org/10.3153/AR21001 Research Article Stochastic frontier analysis of catfish (Clarias gariepinus) aquaculture agribusiness for sustainable fisheries development: Evidence from Nigeria Eguono Aramide IKPOZA , Felix Odemero ACHOJA , Oraye Dicta OGISI , Christy ULIONG Cite this article as: Ikpoza, E.A., Achoja, F.O., OGISI, O.D., ULIONG, C. (2021). Stochastic frontier analysis of catfish (Clarias gariepinus) aquaculture agribusiness for sustainable fisheries development: Evidence from Nigeria. Aquatic Research, 4(1), 1-9. https://doi.org/10.3153/AR21001 Delta State University, Department of ABSTRACT Agricultural Economics and Extension, Abraka, Delta State, Nigeria Technical efficiency assessment and enhancement is critical to sustainable fisheries development in Nigeria. This study examines stochastic frontier of catfish aquaculture agribusiness for sustain- able fisheries development. Purposive sampling technique was employed to select 110 catfish farmers in areas with high density catfish farms. Primary data were collected directly from catfish ORCID IDs of the author(s): farmers using structured questionnaire. The analytical tools used were descriptive statistics, net E.A.I. 0000-0002-7633-7289 farm income, stochastic frontier production function (SPF) and t-statistics. The result shows that F.O.A. 0000-0002-9705-4923 most of the catfish farmers were young people within the productive age of 40-49 years. Catfish O.D.O. 0000-0002-9068-9694 farmers had obtained various levels of formal education. Finding shows that feeds cost was the C.U. 0000-0003-4115-368X highest variable cost (72.75%). Feed had a positive and significant relationship (P<0.05) with cat- fish output. Mean technical efficiency is 53.49%. The estimated variance (δ2s=0.2125) is statisti- cally significant (P<0.05), indicating that profit inefficiency is highly significant among catfish farmers. Estimated
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